Search a number
-
+
231001230100332 = 22319250102508361
BaseRepresentation
bin110100100001100000101010…
…010000110100011101101100
31010021220111112220101210222010
4310201200222100310131230
5220234211004401202312
62135144300004321220
766441200553315306
oct6441405220643554
91107814486353863
10231001230100332
116767108722493a
1221aa97046a3210
139bb8426799983
14410873a940976
151ba8d135b393c
hexd2182a43476c

231001230100332 has 12 divisors (see below), whose sum is σ = 539002870234136. Its totient is φ = 77000410033440.

The previous prime is 231001230100301. The next prime is 231001230100367. The reversal of 231001230100332 is 233001032100132.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 231001230100299 and 231001230100308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9625051254169 + ... + 9625051254192.

Almost surely, 2231001230100332 is an apocalyptic number.

It is an amenable number.

231001230100332 is an abundant number, since it is smaller than the sum of its proper divisors (308001640133804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231001230100332 is a wasteful number, since it uses less digits than its factorization.

231001230100332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19250102508368 (or 19250102508366 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 231001230100332 its reverse (233001032100132), we get a palindrome (464002262200464).

The spelling of 231001230100332 in words is "two hundred thirty-one trillion, one billion, two hundred thirty million, one hundred thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 19250102508361 38500205016722 57750307525083 77000410033444 115500615050166 231001230100332